1 files changed, 31 insertions, 0 deletions
diff --git a/ioutil.go b/ioutil.go
new file mode 100644
index 0000000..a53eac3
--- /dev/null
+++ b/ioutil.go
@@ -0,0 +1,31 @@
+// Copyright (C) 2022-2023  Luke Shumaker <lukeshu@lukeshu.com>
+//
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+package lowmemjson
+
+import (
+	"io"
+	"unicode/utf8"
+)
+
+func writeByte(w io.Writer, c byte) error {
+	if br, ok := w.(interface{ WriteByte(byte) error }); ok {
+		return br.WriteByte(c)
+	}
+	var buf [1]byte
+	buf[0] = c
+	if _, err := w.Write(buf[:]); err != nil {
+		return err
+	}
+	return nil
+}
+
+func writeRune(w io.Writer, c rune) (int, error) {
+	if rw, ok := w.(interface{ WriteRune(rune) (int, error) }); ok {
+		return rw.WriteRune(c)
+	}
+	var buf [utf8.UTFMax]byte
+	n := utf8.EncodeRune(buf[:], c)
+	return w.Write(buf[:n])
+}